Added log display

nomadnet/ui/textui/Log.py

@@ -0,0 +1,43 @@
+import urwid
+import nomadnet
+
+class LogDisplayShortcuts():
+    def __init__(self, app):
+        import urwid
+        self.app = app
+
+        self.widget = urwid.AttrMap(urwid.Text("Log Display Shortcuts"), "shortcutbar")
+
+class LogDisplay():
+    def __init__(self, app):
+        import urwid
+        self.app = app
+        self.log_term = LogTerminal(self.app)
+
+        pile = urwid.Pile([
+            ("weight", 90, self.log_term),
+            ("fixed", 1, urwid.Text(("body_text", "Log Display \U0001F332"))),
+        ])
+
+        self.shortcuts_display = LogDisplayShortcuts(self.app)
+        self.widget = urwid.LineBox(self.log_term)
+        
+    def shortcuts(self):
+        return self.shortcuts_display
+
+class LogTerminal(urwid.WidgetWrap):
+    def __init__(self, app):
+        self.app = app
+        self.log_term = urwid.Terminal(
+            ("tail", "-fn50", self.app.logfilepath),
+            encoding='utf-8',
+            escape_sequence="up"
+        )
+        urwid.WidgetWrap.__init__(self, self.log_term)
+
+
+    def keypress(self, size, key):
+        if key == "up":
+            nomadnet.NomadNetworkApp.get_shared_instance().ui.main_display.frame.set_focus("header")
+            
+        return super(LogTerminal, self).keypress(size, key)